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Lines through screen

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Last response: in CPUs
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November 8, 2012 12:38:47 PM

Hello all, I have just put together my first PC and when I booted it up there were horizontal lines running through the entire display even at post. At first I assumed this was a driver issue so I just brushed it aside and went ahead and installed windows 7 with all these lines anyways. Once I installed windows I immediately installed the driver for the Intel HD 4000 Integrated Graphics which made things worse because in addition to the lines now my screen was flashing like a strobe light. Is this a software issue or a hardware issue? As I said before this is my first build so I have no idea where I might've messed up. Once thing that confused me a bit was when connecting the power to the mother board, there was a part by the CPU that was 4pins only. My PSU didn't have any 4pins only but it did have an 8 pin(4 + 4) so I am using half of that to power the cpu. I don't know if that could be an issue or not. Please help me, Thanks!

My hardware:
Motherboard: GIGABYTE GA-Z77-D3H LGA 1155 Intel Z77
CPU: Intel Core i5-2500K Sandy Bridge 3.3GHz LGA 1155 95W Quad-Core w/ Intel HD Graphics 3000
RAM: CORSAIR XMS3 16GB (4 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800)
HD: Samsung 830 series 128gb SSD
PSU: Rosewill Green Series RG630-S12 630W Continuous @40°C,80 PLUS Certified, Single 12V Rail, Active PFC "Compatible with Core i7,i5" Power Supply

I am in the process of getting a GTX 550 Ti for my gpu so this problem might go away but if its an issue with hardware I'd like to know so I can return it for a new one.

More about : lines screen

November 8, 2012 1:18:42 PM

First things to check:

1) Re-seat the video card.
2) Test it with a different monitor cable.
3) Test it with a different monitor.
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November 8, 2012 1:27:23 PM

I've tried all of that except the different monitor because I only have one. However I've hooked up my laptop to the monitor and it works just fine.
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November 9, 2012 2:25:03 PM

Have you made sure that your BIOS settings are setup properly?
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November 9, 2012 2:36:53 PM

It probably is the Integrated card or whatever you have, I have the same problem on my Radon HD 5770, but i fixed it by plugging the monitor into the other DVI port.
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